10 files changed, 0 insertions, 701 deletions
diff --git a/graphs/piscine/evalexpr/src/evalexpr.c b/graphs/piscine/evalexpr/src/evalexpr.c
deleted file mode 100644
index 5012355..0000000
--- a/graphs/piscine/evalexpr/src/evalexpr.c
+++ /dev/null
@@ -1,93 +0,0 @@
-#include "evalexpr.h"
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-
-#define BUFFER_SIZE 10
-
-char *get_input(void)
-{
-    size_t r;
-    char buf[BUFFER_SIZE];
-    size_t size = 0;
-    char *expr = malloc(size * sizeof(char) + 1);
-    if (expr == NULL)
-        return NULL;
-    expr[0] = '\0';
-    do
-    {
-        r = fread(buf, sizeof(char), BUFFER_SIZE - 1, stdin);
-        if (r != 0)
-        {
-            buf[r] = '\0';
-            size += r;
-            char *tmp = realloc(expr, size * sizeof(char) + 1);
-            if (tmp == NULL)
-            {
-                free(expr);
-                return NULL;
-            }
-            expr = tmp;
-            strcat(expr, buf);
-        }
-    } while (r != 0);
-    if (size == 0)
-    {
-        free(expr);
-        return NULL;
-    }
-    if (expr[size - 1] == '\n')
-        expr[size - 1] = '\0';
-    return expr;
-}
-
-void cleanup(char *expr, char *rpn)
-{
-    free(expr);
-    free(rpn);
-}
-
-int main(int argc, char **argv)
-{
-    if ((argc == 2 && strcmp(argv[1], "-rpn") != 0) || (argc > 2))
-        return 4;
-    char *expr = get_input();
-    if (expr == NULL)
-        return 4;
-    if (argc == 1)
-    {
-        char *rpn;
-        int e = shunting_yard(expr, &rpn);
-        if (e != 0)
-            return e;
-        // call shunting yard
-        int retval;
-        e = evalrpn(rpn, &retval);
-        if (e != 0)
-        {
-            cleanup(expr, rpn);
-            return e;
-        }
-        // FREE RPN
-        printf("%d\n", retval);
-        cleanup(expr, rpn);
-        // return
-        return 0;
-    }
-
-    if (argc == 2 && strcmp(argv[1], "-rpn") == 0)
-    {
-        // call rpn eval
-        int retval;
-        int e = evalrpn(expr, &retval);
-        printf("%d\n", retval);
-        // return
-        free(expr);
-        if (e != 0)
-            return e;
-        return 0;
-    }
-
-    return 4;
-}
diff --git a/graphs/piscine/evalexpr/src/evalexpr.h b/graphs/piscine/evalexpr/src/evalexpr.h
deleted file mode 100644
index d440ae1..0000000
--- a/graphs/piscine/evalexpr/src/evalexpr.h
+++ /dev/null
@@ -1,43 +0,0 @@
-#ifndef EVALEXPR_H
-#define EVALEXPR_H
-
-#include <stddef.h>
-
-#include "fifo.h"
-#include "stack.h"
-#include "stack_struct.h"
-
-enum token_type
-{
-    NUMBER = 0,
-    SUB = 1,
-    ADD = 1,
-    MOD = 2,
-    DIV = 2,
-    MUL = 2,
-    EXP = 3,
-    UN_PLUS = 4,
-    UN_MINUS = 4,
-    PAR_LEFT = 5,
-    PAR_RIGHT = 5,
-    WRONG_TOKEN = -1,
-};
-
-struct token
-{
-    enum token_type type;
-    int value;
-};
-
-// evalrpn
-int parse_number(const char *expr, size_t *offset);
-int get_operands(struct stack **s, int *op1, int *op2);
-int my_pow(int a, int b);
-int evalrpn(const char *expr, int *retval);
-
-// shunting yard
-int opcmp(struct token *op1, struct token *op2);
-enum token_type get_type(char op);
-int shunting_yard(const char *expr, char **rpn);
-
-#endif /* ! EVALEXPR_H */
diff --git a/graphs/piscine/evalexpr/src/evalrpn.c b/graphs/piscine/evalexpr/src/evalrpn.c
deleted file mode 100644
index db493eb..0000000
--- a/graphs/piscine/evalexpr/src/evalrpn.c
+++ /dev/null
@@ -1,145 +0,0 @@
-#include <ctype.h>
-
-#include "evalexpr.h"
-
-int parse_number(const char *expr, size_t *offset)
-{
-    for (*offset = 0;
-         expr[*offset] && expr[*offset] >= '0' && expr[*offset] <= '9';
-         (*offset)++)
-    {
-        continue;
-    }
-    (*offset)--;
-
-    int res = 0;
-    int pow = 1;
-    for (size_t n = 0; n <= *offset; n++, pow *= 10)
-    {
-        res += (expr[*offset - n] - '0') * pow;
-    }
-
-    return res;
-}
-
-int get_operands(struct stack **s, int *op1, int *op2)
-{
-    if (*s == NULL)
-    {
-        return 2;
-    }
-    *op1 = stack_peek(*s);
-    *s = stack_pop(*s);
-    if (*s == NULL)
-    {
-        return 2;
-    }
-    *op2 = stack_peek(*s);
-    *s = stack_pop(*s);
-    return 0;
-}
-
-// Computes a to the bth
-int my_pow(int a, int b)
-{
-    if (b == 0)
-    {
-        return 1;
-    }
-    if (a == 0)
-    {
-        return 0;
-    }
-
-    int res = 1;
-    int c = b / 2;
-    while (c != 0)
-    {
-        res *= a * a;
-        c /= 2;
-    }
-    if (b % 2 != 0)
-        res *= a;
-    return res;
-}
-
-int dispatch(const char c, struct stack **s, int op1, int op2)
-{
-    switch (c)
-    {
-    case '*':
-        *s = stack_push(*s, op1 * op2);
-        break;
-    case '+':
-        *s = stack_push(*s, op1 + op2);
-        break;
-    case '-':
-        *s = stack_push(*s, op2 - op1);
-        break;
-    case '/':
-        if (op1 == 0)
-        {
-            return 3;
-        }
-        *s = stack_push(*s, op2 / op1);
-        break;
-    case '%':
-        if (op1 == 0)
-        {
-            return 3;
-        }
-        *s = stack_push(*s, op2 % op1);
-        break;
-    case '^':
-        if (op1 < 0)
-        {
-            return 3;
-        }
-        *s = stack_push(*s, my_pow(op2, op1));
-        break;
-    default:
-        return 1;
-    }
-    return 0;
-}
-
-int evalrpn(const char *expr, int *retval)
-{
-    struct stack *s = NULL;
-
-    for (size_t i = 0; expr[i]; i++)
-    {
-        if (expr[i] >= '0' && expr[i] <= '9')
-        {
-            size_t offset;
-            int val = parse_number(expr + i, &offset);
-            s = stack_push(s, val);
-            i += offset;
-        }
-        else if (isspace(expr[i]))
-            continue;
-        else
-        {
-            int op1;
-            int op2;
-            if (get_operands(&s, &op1, &op2) == 2)
-            {
-                return 2;
-            }
-
-            int d = dispatch(expr[i], &s, op1, op2);
-            if (d != 0)
-            {
-                return d;
-            }
-        }
-    }
-
-    if (s == NULL)
-    {
-        return 0;
-    }
-    *retval = stack_peek(s);
-    s = stack_pop(s);
-    return (!s) ? 0 : 2;
-}
diff --git a/graphs/piscine/evalexpr/src/fifo.h b/graphs/piscine/evalexpr/src/fifo.h
deleted file mode 100644
index b330eac..0000000
--- a/graphs/piscine/evalexpr/src/fifo.h
+++ /dev/null
@@ -1,29 +0,0 @@
-#ifndef FIFO_H
-#define FIFO_H
-
-#include <stddef.h>
-
-#include "evalexpr.h"
-
-struct list
-{
-    struct token *data;
-    struct list *next;
-};
-
-struct fifo
-{
-    struct list *head;
-    struct list *tail;
-    size_t size;
-};
-
-struct fifo *fifo_init(void);
-size_t fifo_size(struct fifo *fifo);
-void fifo_push(struct fifo *fifo, struct token *elt);
-struct token *fifo_head(struct fifo *fifo);
-void fifo_pop(struct fifo *fifo);
-void fifo_clear(struct fifo *fifo);
-void fifo_destroy(struct fifo *fifo);
-
-#endif /* !FIFO_H */
diff --git a/graphs/piscine/evalexpr/src/fifo_access.c b/graphs/piscine/evalexpr/src/fifo_access.c
deleted file mode 100644
index 1986a09..0000000
--- a/graphs/piscine/evalexpr/src/fifo_access.c
+++ /dev/null
@@ -1,61 +0,0 @@
-#include <stdio.h>
-#include <stdlib.h>
-
-#include "fifo.h"
-
-size_t fifo_size(struct fifo *fifo)
-{
-    return fifo->size;
-}
-
-void fifo_push(struct fifo *fifo, struct token *elt)
-{
-    struct list *new = malloc(sizeof(struct list));
-    if (new == NULL)
-    {
-        return;
-    }
-    new->data = elt;
-
-    if (fifo_size(fifo) == 0)
-    {
-        fifo->head = new;
-    }
-    new->next = NULL;
-    if (fifo_size(fifo) != 0)
-    {
-        fifo->tail->next = new;
-    }
-    fifo->tail = new;
-
-    fifo->size++;
-}
-
-struct token *fifo_head(struct fifo *fifo)
-{
-    return fifo->head->data;
-}
-
-void fifo_pop(struct fifo *fifo)
-{
-    if (fifo_size(fifo) == 0)
-    {
-        return;
-    }
-    if (fifo_size(fifo) == 1)
-    {
-        free(fifo->head->data);
-        free(fifo->head);
-        fifo->head = NULL;
-        fifo->tail = NULL;
-        fifo->size = 0;
-        return;
-    }
-
-    struct list *tmp = fifo->head->next;
-    free(fifo->head->data);
-    free(fifo->head);
-    fifo->head = tmp;
-
-    fifo->size--;
-}
diff --git a/graphs/piscine/evalexpr/src/fifo_setup_destroy.c b/graphs/piscine/evalexpr/src/fifo_setup_destroy.c
deleted file mode 100644
index 0f99ad0..0000000
--- a/graphs/piscine/evalexpr/src/fifo_setup_destroy.c
+++ /dev/null
@@ -1,44 +0,0 @@
-#include <stdlib.h>
-
-#include "fifo.h"
-
-struct fifo *fifo_init(void)
-{
-    struct fifo *f = malloc(sizeof(struct fifo));
-    if (f == NULL)
-    {
-        return NULL;
-    }
-
-    f->size = 0;
-    f->head = NULL;
-    f->tail = NULL;
-
-    return f;
-}
-
-void fifo_clear(struct fifo *fifo)
-{
-    for (struct list *l = fifo->head; l != fifo->tail;)
-    {
-        struct list *tmp = l->next;
-        free(l->data);
-        free(l);
-        l = tmp;
-    }
-    if (fifo->tail)
-    {
-        free(fifo->tail->data);
-        free(fifo->tail);
-    }
-
-    fifo->head = NULL;
-    fifo->tail = NULL;
-    fifo->size = 0;
-}
-
-void fifo_destroy(struct fifo *fifo)
-{
-    fifo_clear(fifo);
-    free(fifo);
-}
diff --git a/graphs/piscine/evalexpr/src/shunting_yard.c b/graphs/piscine/evalexpr/src/shunting_yard.c
deleted file mode 100644
index 2db5fc8..0000000
--- a/graphs/piscine/evalexpr/src/shunting_yard.c
+++ /dev/null
@@ -1,199 +0,0 @@
-#include <stdio.h>
-#include <stdlib.h>
-
-#include "evalexpr.h"
-
-enum assoc
-{
-    NONE,
-    RIGHT,
-    LEFT,
-};
-
-int opcmp(struct token *op1, struct token *op2)
-{
-    return op1->type - op2->type;
-}
-
-enum assoc get_assoc(struct token *op)
-{
-    if (op->type == EXP)
-    {
-        return RIGHT;
-    }
-    return LEFT;
-}
-
-enum token_type get_type(char op)
-{
-    switch (op)
-    {
-    case '*':
-        return MUL;
-    case '/':
-        return DIV;
-    case '-':
-        return SUB;
-    case '+':
-        return ADD;
-    case '%':
-        return MOD;
-    case '^':
-        return EXP;
-    case '(':
-        return PAR_LEFT;
-    case ')':
-        return PAR_RIGHT;
-    default:
-        return WRONG_TOKEN;
-    }
-}
-
-char *fifo_to_expr(struct fifo *output, size_t size_offset)
-{
-    char *res = malloc((2 * fifo_size(output) + size_offset) * sizeof(char));
-    if (!res)
-    {
-        fifo_destroy(output);
-        return NULL;
-    }
-    res[2 * fifo_size(output) + size_offset - 1] = '\0';
-    size_t i = 0;
-    while (fifo_size(output) > 0)
-    {
-        if (fifo_head(output)->type == NUMBER)
-        {
-            i += sprintf(res + i, "%d", fifo_head(output)->value) - 1;
-        }
-        else
-        {
-            res[i] = fifo_head(output)->value;
-        }
-        fifo_pop(output);
-        i++;
-        if (fifo_size(output) != 0)
-        {
-            res[i] = ' ';
-            i++;
-        }
-    }
-    fifo_destroy(output);
-    return res;
-}
-
-int handle_rpar(struct tstack **opstack, struct fifo *output, struct token **t)
-{
-    while (*opstack)
-    {
-        struct token *o2 = tstack_peek(*opstack);
-        if (o2->value == '(')
-        {
-            free(o2);
-            break;
-        }
-        *opstack = tstack_pop(*opstack);
-        fifo_push(output, o2);
-    }
-    if (*opstack == NULL)
-    {
-        free(*t);
-        fifo_destroy(output);
-        return 2;
-    }
-    free(*t);
-    *opstack = tstack_pop(*opstack);
-    return 0;
-}
-
-int empty_opstack(struct tstack **opstack, struct fifo *output)
-{
-    while (*opstack)
-    {
-        struct token *t = tstack_peek(*opstack);
-        if (t->value == '(' || t->value == ')')
-        {
-            fifo_destroy(output);
-            return 1;
-        }
-        *opstack = tstack_pop(*opstack);
-        fifo_push(output, t);
-    }
-    return 0;
-}
-
-void pop_ops(struct tstack **opstack, struct fifo *output, struct token *t)
-{
-    while (*opstack)
-    {
-        struct token *o2 = tstack_peek(*opstack);
-        if (!(o2->value != '('
-              && (opcmp(t, o2) < 0
-                  || (opcmp(t, o2) == 0 && get_assoc(t) == LEFT))))
-        {
-            break;
-        }
-
-        *opstack = tstack_pop(*opstack);
-        fifo_push(output, o2);
-    }
-}
-
-void handle_numbers(struct fifo *output, size_t *i, int *size_offset,
-                    const char *expr)
-{
-    size_t offset;
-    int val = parse_number(expr + *i, &offset);
-    struct token *t = malloc(sizeof(struct token));
-    t->type = NUMBER;
-    t->value = val;
-    fifo_push(output, t);
-    *i += offset;
-    *size_offset += offset;
-}
-
-int shunting_yard(const char *expr, char **rpn)
-{
-    struct fifo *output = fifo_init();
-    struct tstack *opstack = NULL;
-    int size_offset = 0;
-    for (size_t i = 0; expr[i]; i++)
-    {
-        if (expr[i] >= '0' && expr[i] <= '9')
-        {
-            handle_numbers(output, &i, &size_offset, expr);
-        }
-        else if (expr[i] != ' ')
-        {
-            struct token *t = malloc(sizeof(struct token));
-            t->value = expr[i];
-            if ((t->type = get_type(expr[i])) == WRONG_TOKEN)
-            {
-                free(t);
-                return 1;
-            }
-            if (t->value == '(')
-            {
-                opstack = tstack_push(opstack, t);
-                continue;
-            }
-            else if (t->value == ')')
-            {
-                if (handle_rpar(&opstack, output, &t) != 0)
-                    return 2;
-                continue;
-            }
-            pop_ops(&opstack, output, t);
-            opstack = tstack_push(opstack, t);
-        }
-    }
-
-    if (empty_opstack(&opstack, output) != 0)
-    {
-        return 1;
-    }
-    *rpn = fifo_to_expr(output, size_offset);
-    if (!*rpn)
-        return 4;
-
-    return 0;
-}
diff --git a/graphs/piscine/evalexpr/src/stack.c b/graphs/piscine/evalexpr/src/stack.c
deleted file mode 100644
index 14f659e..0000000
--- a/graphs/piscine/evalexpr/src/stack.c
+++ /dev/null
@@ -1,57 +0,0 @@
-#include "stack.h"
-
-#include <stdlib.h>
-
-struct stack *stack_push(struct stack *s, int e)
-{
-    struct stack *new = malloc(sizeof(struct stack));
-    new->data = e;
-    new->next = NULL;
-
-    new->next = s;
-    return new;
-}
-
-struct stack *stack_pop(struct stack *s)
-{
-    if (s == NULL)
-    {
-        return NULL;
-    }
-
-    struct stack *res = s->next;
-    free(s);
-    return res;
-}
-
-int stack_peek(struct stack *s)
-{
-    return s->data;
-}
-
-struct tstack *tstack_push(struct tstack *s, struct token *e)
-{
-    struct tstack *new = malloc(sizeof(struct tstack));
-    new->token = e;
-    new->next = NULL;
-
-    new->next = s;
-    return new;
-}
-
-struct tstack *tstack_pop(struct tstack *s)
-{
-    if (s == NULL)
-    {
-        return NULL;
-    }
-
-    struct tstack *res = s->next;
-    free(s);
-    return res;
-}
-
-struct token *tstack_peek(struct tstack *s)
-{
-    return s->token;
-}
diff --git a/graphs/piscine/evalexpr/src/stack.h b/graphs/piscine/evalexpr/src/stack.h
deleted file mode 100644
index d08e465..0000000
--- a/graphs/piscine/evalexpr/src/stack.h
+++ /dev/null
@@ -1,20 +0,0 @@
-#ifndef STACK_H
-#define STACK_H
-
-#include "evalexpr.h"
-#include "stack_struct.h"
-
-struct tstack
-{
-    struct token *token;
-    struct tstack *next;
-};
-
-struct stack *stack_push(struct stack *s, int e);
-struct stack *stack_pop(struct stack *s);
-int stack_peek(struct stack *s);
-
-struct tstack *tstack_push(struct tstack *s, struct token *e);
-struct tstack *tstack_pop(struct tstack *s);
-struct token *tstack_peek(struct tstack *s);
-#endif /* !STACK_H */
diff --git a/graphs/piscine/evalexpr/src/stack_struct.h b/graphs/piscine/evalexpr/src/stack_struct.h
deleted file mode 100644
index 105cd5d..0000000
--- a/graphs/piscine/evalexpr/src/stack_struct.h
+++ /dev/null
@@ -1,10 +0,0 @@
-#ifndef STACK_STRUCT_H
-#define STACK_STRUCT_H
-
-struct stack
-{
-    int data;
-    struct stack *next;
-};
-
-#endif /* ! STACK_STRUCT_H */